Triangle Tiling

Triangle shapes
Arrange triangles
Remix this projectWhat is this activity?
Move triangles to cover a space without gaps. Try different arrangements and colour patterns.
Let’s give it a try!
Set 1
Open Triangle Tiling on Scratch
Set 2
Set 3
How to play
- Click the green flag to start.
- Drag triangles into your working area.
- Fit their edges together to make a pattern without gaps.
Three original sets are available below. For more room, open a set on Scratch and use full screen. Some colour controls and the full-screen hint remain in Japanese.
For families and teachers
Compare how two triangles can make a larger shape. Ask children to explain which edges meet and how their tiling repeats.
This English guide uses the original Chicodori Scratch project. Some labels remain in Japanese. You can explore and remix the project on Scratch.

